body {
  font-family: Arial, sans-serif;
  text-align: center;
  margin: 0;
  padding: 20px;
}

/* ---- Header ---- */
.site-header {
  background-color: #800000;
  color: #fff;
  padding: 28px 20px 22px;
  margin: -20px -20px 30px;
}

.site-header h1 {
  color: #fff;
  font-size: 1.8em;
  margin: 0 0 10px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.header-info {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95em;
  margin: 0;
  line-height: 1.6;
}

.header-info .resalte {
  color: #ffd966;
}

h1 {
  color: #800000;
}

h2 {
  color: #800000;
  font-size: 1.1em;
  margin-top: 30px;
}

.info-text {
  color: #800000;
  font-weight: bold;
}

.resalte {
  color: #0000ff;
}

/* ---- Avisos ---- */
.aviso {
  padding: 10px 20px;
  border-radius: 6px;
  display: inline-block;
  margin: 10px auto;
  font-weight: bold;
}

.aviso-ok {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.aviso-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* ---- Botones ---- */
.acciones {
  margin: 15px 0;
}

.boton {
  display: inline-block;
  padding: 8px 20px;
  margin: 0 5px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  border: none;
  color: #fff;
}

.boton-desconectar {
  background-color: #6c757d;
}

.boton-desconectar:hover {
  background-color: #545b62;
}

.boton-volver {
  background-color: #444;
}

.boton-volver:hover {
  background-color: #222;
}

.boton-desactivar {
  background-color: #800000;
  font-size: 13px;
  padding: 5px 12px;
}

.boton-desactivar:hover {
  background-color: #a00000;
}

.boton-activar {
  background-color: #2a7a2a;
  font-size: 13px;
  padding: 5px 12px;
}

.boton-activar:hover {
  background-color: #1e5c1e;
}

/* ---- Grid de carteles ---- */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 20px auto;
}

.cartel {
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 10px;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
  position: relative;
}

.cartel:hover {
  transform: scale(1.03);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.cartel img {
  width: 100%;
  aspect-ratio: 1600 / 2248;
  height: auto;
  object-fit: cover;
  border-radius: 5px;
  display: block;
  cursor: pointer;
}

.cartel label {
  display: block;
  margin-top: 8px;
  cursor: pointer;
  font-size: 13px;
}

/* ---- Boton ampliar ---- */
.boton-ampliar {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px;
  background-color: rgba(255, 255, 255, 0.75);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  line-height: 0;
}

.boton-ampliar:hover {
  background-color: rgba(255, 255, 255, 1);
}

.boton-ampliar svg {
  width: 22px;
  height: 22px;
}

/* ---- Modal de ampliacion ---- */
.modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-contenido {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  text-align: center;
}

.modal-contenido img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 6px;
  display: block;
  margin: 0 auto;
}

.modal-contenido p {
  color: #fff;
  margin-top: 10px;
  font-size: 15px;
}

.modal-cerrar {
  position: absolute;
  top: -14px;
  right: -14px;
  background-color: #800000;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  font-size: 16px;
  cursor: pointer;
  line-height: 30px;
  padding: 0;
}

.nombre-cartel {
  margin-top: 8px;
  font-size: 13px;
  color: #333;
}

/* ---- Campo DNI en formulario de voto ---- */
.campo-dni {
  margin: 25px auto 10px;
  display: inline-block;
  text-align: left;
}

.campo-dni label {
  display: block;
  margin-bottom: 4px;
  font-weight: bold;
}

.campo-dni input[type="text"] {
  padding: 6px 10px;
  font-size: 14px;
  border: 1px solid #aaa;
  border-radius: 4px;
  width: 200px;
}

/* ---- Botón submit ---- */
input[type="submit"] {
  margin-top: 30px;
  padding: 10px 30px;
  font-size: 16px;
  background-color: #800000;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #a00000;
}

/* ---- Formularios (login y add) ---- */
.form-login,
.form-add {
  display: inline-block;
  text-align: left;
  margin-top: 20px;
}

.campo {
  margin-bottom: 12px;
}

.campo label {
  display: block;
  margin-bottom: 4px;
  font-weight: bold;
}

.campo input[type="text"],
.campo input[type="password"],
.campo input[type="file"] {
  padding: 6px 10px;
  font-size: 14px;
  border: 1px solid #aaa;
  border-radius: 4px;
  width: 280px;
}

/* ---- Sección admin ---- */
.seccion-admin {
  max-width: 900px;
  margin: 20px auto;
  text-align: left;
}

/* ---- Tabla de administración ---- */
.tabla-admin {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.tabla-admin th,
.tabla-admin td {
  border: 1px solid #ccc;
  padding: 8px 12px;
  text-align: left;
  vertical-align: middle;
}

.tabla-admin th {
  background-color: #800000;
  color: #fff;
}

.tabla-admin tr:nth-child(even) {
  background-color: #f9f9f9;
}

.fila-inactiva td {
  color: #999;
}

.miniatura {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  body {
    padding: 12px;
  }

  .site-header {
    margin: -12px -12px 20px;
    padding: 20px 12px 16px;
  }

  .site-header h1 {
    font-size: 1.3em;
  }

  h1 {
    font-size: 1.2em;
  }

  .grid-container {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .cartel img {
    height: 240px;
  }

  .campo-dni input[type="text"] {
    width: 100%;
    box-sizing: border-box;
  }

  .campo-dni {
    width: 100%;
  }

  input[type="submit"] {
    width: 100%;
    box-sizing: border-box;
  }

  .campo input[type="text"],
  .campo input[type="password"],
  .campo input[type="file"] {
    width: 100%;
    box-sizing: border-box;
  }

  .tabla-admin {
    font-size: 12px;
  }

  .tabla-admin th,
  .tabla-admin td {
    padding: 5px 6px;
  }

  .modal-cerrar {
    top: -10px;
    right: -10px;
    width: 26px;
    height: 26px;
    font-size: 14px;
    line-height: 26px;
  }
}